Skunk2 Alpha Series Valve Spring & Ti Retainer Kit - Honda/Acura D-Series

This Skunk2 Alpha Series kit pairs valve springs with titanium retainers for Honda's D-series VTEC engines. Manufactured from super-clean Japanese chrome-silicone wire, the Alpha springs prevent valve float and maintain valvetrain stability past 10,000 rpm, while the titanium retainers reduce valvetrain mass for added stability. Springs are rated at 62 lbs seat pressure and 168 lbs open pressure.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy